Hiyashi chūka (冷やし中華) is a Chinese-style Japanese dish consisting of chilled Chinese noodles with various toppings served in the summer. It is also called reimen (冷麺) in Kansai region and hiyashi rāmen (冷やしラーメン) in Hokkaido. Toppings are usually colorful cold ingredients and a tare sauce. Popular toppings are meat (ham, boiled chicken or barbecued pork (char siu)), strips of tamagoyaki (egg omelette), summer vegetables like cucumber and tomatoes, menma (fermented bamboo shoots), and beni shōga (pickled ginger) as a condiment. Toppings are cut thin, to mix well with the noodles and the sauce. The tare sauce is usually made with a base of either soy sauce and rice vinegar, or sesame seeds and mayonnaise (ゴマだれ (gomadare)).